3 years ago

What is 4.902 written in expanded form

Mathematics

2 answers:

sineoko [7]3 years ago

4 0

4.902 written in expanded form is 4+ 0.9 + 0.002

vazorg [7]3 years ago

3 0

4-9-0-2000 hdhdjdndh sjdjjs has su Shaba jabs hdhd

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Working alone and at a constant rate, Machine A takes 3 hours to create a widget. Machine B, working alone and at a constant rat

PilotLPTM [1.2K]

Answer:

Time required by Machine B to create a widget = 4 hours

Step-by-step explanation:

Time taken by Machine A ( $T_{A}$ ) = 3 hours

Time taken by Machine B ( $T_{B}$ )= x hours

Time taken by both machines by working together = 12 hours

The time required to both machines by working together to finish a task is given by the formula = $\frac{T_{A} {T_{B} } }{T_{A} + T_{B} }$

Put the values in above formula we get

⇒ T = $\frac{3 x}{3 + x}$

⇒ 12 = $\frac{3 x}{3 + x}$

⇒ 36 + 12 x = 3 x

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This is the time required by Machine B to create a widget.

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